Features:

1. ) Steel Frame and Aluminum  Adjustable Blades

2. ) Vertical Blade Design Used for Side Deflection

3. ) Individually Adjustable Blades on 2/3" Centers.

4. ) Multi-louver Damper Blades Adjustable from fully open to completely closed.

5. ) Damper Blades are Lever operated with fingertip control

6. ) Bright White Finishing